Upward and Downward Migrations of Fluids in the Subsurface

Kinji Magara

CSPG Bulletin

.... H., 1963, Concentration changes of pore solutions during the compaction of clay sediments: Jour. Sed. Petrology, v. 33, no. 4, p. 919-930. Fons, L...

Multiscale Seismic Models of Complex Fracture Networks

Richard L. Gibson Jr., Yalchin Efendiev, Judith Chester, Yongchae Cho, Edith Sotelo

Unconventional Resources Technology Conference (URTEC)

... the equation −∇ ∙ 𝜏 𝜙 ! = 𝜆𝜌𝜙 ! . (3) The boundary condition applied in this problem is 𝜙 ! = 0. Each solution is a standing wave mode for the cell K...

Exploring Beneath High-Velocity Surfaces, by Bob Hardage; #40344 (2009)

Search and Discovery.com

Wave Climate and Littoral Sediment Transport, Northeast Gulf of Alaska

Dag Nummedal, Michael F. Stephen

Journal of Sedimentary Research (SEPM)

... · Pi,m (4) Deep water wave power for each of the eight compass directions was computed according to equation 4 from SSMO tabulated Pi,m'S and ri,j's...

The Threshold of Sediment Movement Under Oscillatory Waves: A DISCUSSION

Ole S. Madsen, William D. Grant

Journal of Sedimentary Research (SEPM)

... = 2/T is the radian frequency and T the period of the oscillation. By comparison with Equation (3) it is seen that the wave friction factor for laminar...

Abstracts: S-wave Attenuation within the Weathering Layer of an Alberta Heavy Oil Field; #90173 (2015)

Kristof De Meersman

Search and Discovery.com

.... A general North-South trend is observed with lower Q values (more S-wave attenuation) in the North where muskeg-type soils dominate. Introduction...

Pore-Pressure Prediction in the Permian Basin Using Seismic Prestack Inversion

Colin Sayers, Lennert den Boer

Unconventional Resources Technology Conference (URTEC)

... it, the pressure exerted by fluid inside the rock opposes compaction, reducing the wave velocity. Measurable effects of stress change, including compaction...

Self-Similar Evolution of Semi-Infinite Alluvial Channels with Moving Boundaries

Herve Capart, Mourad Bellal, Der-Liang Young

Journal of Sedimentary Research (SEPM)

... of geomorphological interest. Governing Equation and Special Solutions Before treating special cases, consider a generic alluvial channel evolving under...

Discrete Fracture Network Generation Using Microseismic Data from a Single Monitoring Well

Xin Yu, Jim Rutledge, Scott Leaney, Chris Chapman

Unconventional Resources Technology Conference (URTEC)

... constraints from the fault plane solutions estimated from the single-well microseismic data using a multi-event moment tensor inversion (ME-MTI...

Abstract: Converted-Wave Prestack Time Migration with a New Approximate Migration Weight; #90224 (2015)

Chuck Ursenbach and Peter Cary

Search and Discovery.com

...Abstract: Converted-Wave Prestack Time Migration with a New Approximate Migration Weight; #90224 (2015) Chuck Ursenbach and Peter Cary Datapages...

Phase Field Approaches to the Kinetic Modeling of Hydrate Phase Transitions

Bjorn Kvamme, Atle Svandal, Trygve Buanes, Tatyana Kuznetsova

AAPG Special Volumes

... solutions under conditions typical to underwater natural-gas-hydrate reservoirs. We show that the size of the critical fluctuations (nuclei) is comparable...

An Assessment and Calibration of Formulations for Bagnold's Bedload Equation

J. Hardisty

Journal of Sedimentary Research (SEPM)

... the excess velocity formulation of Equation 8 which submerges the important concept of available stress in the general third power term. Experimental...

Correlation of Acoustic Velocity, Stress, Rock Composition, Organic Matter and Rock Lamination in Organic-Rich Shales

Adel A. Alqahtani, Azra N. Tutuncu

Unconventional Resources Technology Conference (URTEC)

... influence the rock properties and wave velocities. In this paper, the influence of rock composition, organic matter (TOC) and orientation of formation...

Applications of the Electromagnetic Propagation Tool in Indonesia

B. R. Wood, P. Westaway

Indonesian Petroleum Association

... of an electomagnetic wave in the rock, is measured by a new tool, the Electromagnetic Propagation Tool (EPT). This measurement, in conjunction...

Forward modeling for arbitrary irregular free-surface based on body-fitted grid

Erxiang Wei, Jianping Huang, Zhenchun Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... with a body-fitted grid. However, as the wave field variables in this equation no longer satisfy the staggering property, the use of a standard...

Focal Mechanism Determination and Stress Inversion for Induced Seismicity Related to Shale Gas Hydraulic Fracturing

Yuyang Tan, Jun Hu, Zhengguang Zhao, Lei Li

Unconventional Resources Technology Conference (URTEC)

... denote the manually picked P and S wave arrival times. Figure 4—Variations of the focal mechanism solutions and corresponding calculated ω versus...

Changing Wave Parameters, Due to Shoaling, and Sediment Transport

William F. Tanner

GCAGS Transactions

... or shoaling processes, without additional information. Initial wave period and wave height, and modal inshore wave length, fit a simple equation...

Lomnitz Law Versus Elasticoviscous Controversy

Paul S. Wesson

AAPG Special Volumes

..., coupled with the wave equation, only accounts for constant Q in the range 10-8 to 1 Hz, McCann (1970) maintained End_Page 454...

Oscillation Sand Ripples Generated by Laboratory Apparatus

Martin C. Miller , Paul D. Komar

Journal of Sedimentary Research (SEPM)

... to natural progressive waves of the same periods, the velocity and pressure fields are also accurately reproduced. In the general Airy-wave solution...

Diagenesis Through Coupled Processes: Modeling Approach, Self-Organization, and Implications for Exploration

W. Chen, A. Ghaith, A. Park, P. Ortoleva

AAPG Special Volumes

...., A. Park, and P. Ortoleva, in press, GENEX: a general two-dimensional reaction/transport simulator for geochemical engineering and exploration analysis...

ABSTRACT: FORECAST OF THE METHANE ENRICHMENT BASED ON DOUBLE-PHASE MEDIA THEORY

Shu-nian Ning, Gang Li, Guangliang Li, Huasheng Zou

The Society for Organic Petrology (TSOP)

.... As the unconventional gas - methane’s source rock, coal seam is practically a kind of double-phase media. The primary wave equation in double-phase media...

Application of Robust Noise Reduction on a Land 3D Seismic Data

Agus Abdullah, Jesse Shaw

Indonesian Petroleum Association

... surface-wave noise and requires no iterations to exactly match the dispersion relations of the noise wavetrains. It is more robust than other...

Fast Shear Azimuths in the Marcellus Shale from VSP and Crossed Dipole Sonic Data; #42161 (2017)

Steve Horne, David Rampton, John Crowe

Search and Discovery.com

... be interpreted in terms of the time delay between the fast and slow shear waves as 𝛽𝛽 = 2𝜋𝜋𝑓𝑓0 ∆𝑡𝑡 Equation 3 where f0 is the shear-wave’s frequency...

Abstract: Using an Integral-Transform Technique for Developing Analytical Solutions to Transient-Flow Problems, by N. Rahman; #90911 (2000)

Search and Discovery.com

Application of Transport Equations to Groundwater Systems

John D. Bredehoeft , George F. Pinder

AAPG Special Volumes

... to consider simplified subsets of equations for the general problem. The equation of motion for single-component groundwater flow, which describes...